JP7051504B2 - Poultry muscle stomach augmentation feed, poultry muscle stomach augmentation mixed feed, and poultry muscle stomach augmentation methods - Google Patents
Poultry muscle stomach augmentation feed, poultry muscle stomach augmentation mixed feed, and poultry muscle stomach augmentation methods Download PDFInfo
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本発明は、家禽の筋胃増大用飼料、家禽の筋胃増大用混合飼料、及び家禽の筋胃を増大させる方法に関する。 The present invention relates to a poultry muscle stomach augmentation feed, a poultry muscle stomach augmentation mixed feed, and a method for poultry muscle stomach augmentation.
鶏等の家禽の筋胃は砂嚢とも称され、いわゆる砂肝として食される部位であるとともに、家禽の重要な消化器官である。家禽は歯を持たないため、摂取した飼料を、砂や小石で満たされた筋胃の収縮運動によりすり潰して消化する。したがって、家禽の筋胃を増大させることで、家禽の飼料消化率が向上し、飼料効率の改善が期待される。 The muscle stomach of poultry such as chickens is also called a gizzard, which is a part eaten as a so-called gizzard and is an important digestive organ of poultry. Since poultry do not have teeth, the ingested feed is ground and digested by the contraction movement of the muscle stomach filled with sand and pebbles. Therefore, by increasing the muscle stomach of poultry, it is expected that the feed digestibility of poultry will be improved and the feed efficiency will be improved.
従来から、家禽の筋胃増大を目的とした飼料の開発が行なわれている。例えば、特許文献１では、家禽の筋胃の発達を促進し、発育を改善する家禽用飼料を提供することを目的として、アルミナの純度が９９％以上であり、硬度が少なくとも７０ｋｇのセラミックスを一般家禽用配合飼料に配合してなる、家禽用飼料が開示されている。また、特許文献２では、家禽の筋胃が良好に発達すると共に敷料改善効果も得られるコーンコブミールの配合された家禽用飼料、及びこれを用いた家禽の飼育方法等を提供することを目的とし、コーンコブミールが、発酵等の処理をせず、かつ栄養素添加物を付着させずに、粉砕したそのままの状態で、コーンコブミール配合前の飼料１００重量部に対して、０．５～１０重量部配合されている、家禽用飼料が開示されている。 Traditionally, feeds have been developed for the purpose of increasing the muscle stomach of poultry. For example, in Patent Document 1, ceramics having an alumina purity of 99% or more and a hardness of at least 70 kg are generally used for the purpose of providing a poultry feed that promotes the development of the muscle stomach of poultry and improves the growth. A poultry feed, which is compounded with a poultry compound feed, is disclosed. Further, Patent Document 2 aims to provide a poultry feed containing corn cob meal, which has a good development of poultry muscle and stomach and an effect of improving bedding, and a poultry breeding method using the same. , 0.5 to 10 parts by weight of corn cob meal in a crushed state without any treatment such as fermentation and without attaching nutrient additives to 100 parts by weight of feed before corn cob meal. The poultry feeds that have been formulated are disclosed.
しかしながら、家禽の種類、飼育環境、及び／又は使用する飼料等に応じて、家禽の筋胃増大の効果に差が生じる場合があり、家禽飼育業者の選択肢を広げるため、依然として、家禽の筋胃増大に有効な材料の開発が求められている。したがって、本発明の目的は、家禽の筋胃の増大に有効な新たな成分を含む家禽の筋胃増大用飼料、家禽の筋胃増大用混合飼料、及び家禽の筋胃を増大させる方法を提供することにある。 However, depending on the type of poultry, the breeding environment, and / or the feed used, the effect of increasing the muscle stomach of the poultry may differ, and in order to expand the options of the poultry breeder, the muscle stomach of the poultry is still used. There is a need to develop materials that are effective for growth. Therefore, it is an object of the present invention to provide a poultry muscular stomach augmentation feed, a poultry muscular stomach augmentation mixed feed, and a method for poultry muscular stomach augmentation, which contain new ingredients effective for poultry muscular stomach augmentation. To do.
本発明者は、家禽に種々の素材を給与して筋胃増大効果を検討した結果、ホヤ殻に家禽の筋胃を増大させる効果を見出し、本発明に至った。 As a result of feeding various materials to poultry and examining the effect of increasing muscle stomach, the present inventor found the effect of increasing the muscle stomach of poultry in sea squirt shells, and came to the present invention.
すなわち、上記目的は厚さ０．２～１．０ｍｍ以下の剥片で、長径０．６～１０ｍｍであり、弾性を有する３～１０ｍｍの剥片を含むホヤ殻を有効成分とする家禽の筋胃増大用飼料によって達成される。また、前記家禽の筋胃増大用飼料を調製するための厚さ０．２～１．０ｍｍ以下の剥片で、長径０．６～１０ｍｍであり、弾性を有する３～１０ｍｍの剥片を含むホヤ殻を有効成分とする家禽の筋胃増大用混合飼料によって達成される。さらに厚さ０．２～１．０ｍｍ以下の剥片で、長径０．６～１０ｍｍであり、弾性を有する３～１０ｍｍの剥片を含むホヤ殻を家禽に給与することを特徴とする家禽の筋胃を増大させる方法によって達成される。
That is, the above-mentioned purpose is to increase the muscle stomach of poultry whose active ingredient is a squirt shell containing flakes having a thickness of 0.2 to 1.0 mm or less, a major axis of 0.6 to 10 mm, and elastic flakes of 3 to 10 mm. Achieved by feed. Further, a flake having a thickness of 0.2 to 1.0 mm or less for preparing a feed for increasing the muscle stomach of the poultry, having a major axis of 0.6 to 10 mm, and containing an elastic 3 to 10 mm flake. Achieved by a mixed feed for increasing muscle stomach of poultry containing. Further, the muscle stomach of poultry is characterized by feeding poultry shells containing flakes having a thickness of 0.2 to 1.0 mm or less, having a major axis of 0.6 to 10 mm, and having elasticity of 3 to 10 mm. Is achieved by a method of increasing.
本発明により、家禽の筋胃を増大させることができ、これにより、家禽の飼料消化率が向上し、飼料効率を改善することができる。 INDUSTRIAL APPLICABILITY According to the present invention, the muscle stomach of poultry can be increased, whereby the feed digestibility of poultry can be improved and the feed efficiency can be improved.
［家禽の筋胃増大用飼料］
本発明の家禽の筋胃増大用飼料は、ホヤ殻を有効成分とする。ホヤは、日本列島、朝鮮半島、山東半島等の海底の岩場等に生息する脊索動物の一種で、日本では主に東北地方から北海道で天然物や養殖物が水揚げされている。ホヤは硬い外皮に覆われており、それを除去した身の部分が可食部分として食される。本発明において、ホヤ殻は、ホヤの外皮を含む部分を乾燥、粉砕したものを称する。ホヤの種類としては特に制限はなく、マボヤ、アカボヤ、シロボヤ等の食用ホヤ、及び食用とされない種類のホヤでも良い。本発明において、ホヤ殻は、入手し易い点で、マボヤ、アカボヤ、シロボヤ等の食用ホヤの可食部分を除去した際に生じる外皮を含む不要部分を乾燥、粉砕したものが好ましい。なお、ホヤ殻は、海産物であるため貝殻や海藻が含まれることがある。
[Feed for increasing muscle stomach of poultry]
The feed for increasing muscle stomach of poultry of the present invention contains ascidian shell as an active ingredient. Ascidians are a type of chordate that inhabits rocky areas on the seabed such as the Japanese archipelago, Korean Peninsula, and Shandong Peninsula. In Japan, natural and cultured products are mainly landed from the Tohoku region to Hokkaido. The sea squirt is covered with a hard outer skin, and the part of the body from which it is removed is eaten as an edible part. In the present invention, the sea squirt shell refers to a dried and crushed portion of the sea squirt including the outer skin. The type of sea squirt is not particularly limited, and edible sea squirts such as sea squirt, halocynthia aureus, and white squirt, and non-edible types of sea squirts may be used. In the present invention, the sea squirt shell is preferably a dried and crushed unnecessary portion including an outer skin generated when the edible portion of edible sea squirt such as sea squirt, red squirt, and white squirt is removed from the viewpoint of easy availability. Since sea squirt shells are marine products, they may contain shells and seaweed.
ホヤ殻は、これまで利用価値のない不要物として廃棄されていたが、近年、ホヤの外皮を添加することにより、鶏卵の色調、食味を向上させる養鶏用飼料が開発され、ホヤの外皮（すなわち、ホヤ殻）の有効利用が図られている（特開２００１－３５２９１２）。しかしながら、前記特許出願においては、ホヤの外皮に含有される色素に着目し、鶏卵の色調を増強させることは開示されていたが、ホヤ殻が家禽の筋胃増大効果を有することは一切開示されていなかった。本発明においては、後述する実施例で示す通り、ホヤ殻を採卵鶏の飼料に配合して飼育試験を行なった結果、採卵鶏の筋胃質量が驚くべきことに比較例１と比較して、１．５倍以上に増大し、産卵成績も良化することが見出された。この作用機作は、筋胃中で小石と同様な働きをするだけでは説明できない。 Until now, sea squirt shells have been discarded as unnecessary substances that have no utility value, but in recent years, by adding sea squirt skins, poultry feeds that improve the color and taste of chicken eggs have been developed, and sea squirt skins (that is, that is) , Ascidian shell) is being effectively used (Japanese Patent Laid-Open No. 2001-352912). However, in the above patent application, it was disclosed that the pigment contained in the outer skin of sea squirt was focused on and enhanced the color tone of chicken eggs, but that the shell of sea squirt had a muscle-stomach-enhancing effect on poultry was not disclosed at all. I wasn't. In the present invention, as shown in Examples described later, as a result of a breeding test in which sea squirt shells were mixed with the feed of the hens, the muscle stomach mass of the hens was surprisingly compared with that of Comparative Example 1. It was found that the increase was more than 1.5 times and the spawning performance was also improved. This mechanism of action cannot be explained simply by acting like a pebble in the muscle stomach.
ホヤ殻は、０．６ｍｍ以下の粉末も含まれるが、５０％以上は厚さ０．２～１．０ｍｍ以下の剥片で、その長径は０．６ｍｍ～１０ｍｍとなっている。ホヤ殻の剥片は、動物セルロースを骨格とするため消化しにくく、３～１０ｍｍの剥片を長径方向につまみ折り曲げると中央部でしなり、離すと戻るという弾力を有している。このようにホヤ殻の剥片は形状が大きいものを含むことから家禽の筋胃に長時間滞留し、適度な弾力が筋胃を鍛えるため、筋胃が増大していくものと考えられる。すなわち、本発明は、動物性セルロースを骨格とする弾性体を有効成分とする筋胃増大剤ということもできる。 The sea squirt shell contains powder of 0.6 mm or less, but 50% or more is flakes having a thickness of 0.2 to 1.0 mm or less, and the major axis thereof is 0.6 mm to 10 mm. Since the squirt shell flakes have animal cellulose as the skeleton, they are difficult to digest, and when the flakes of 3 to 10 mm are pinched and bent in the major axis direction, they bend at the center, and when they are released, they have the elasticity of returning. Since the flakes of the sea squirt shell include those having a large shape, they stay in the muscular stomach of poultry for a long time, and the appropriate elasticity strengthens the muscular stomach, so that the muscular stomach is considered to increase. That is, the present invention can also be said to be a muscle-stomach-enhancing agent containing an elastic body having animal cellulose as a skeleton as an active ingredient.
本発明において、家禽は鳥類に属する家畜のことを称し、筋胃を有するものであれば、特に制限はなく、たとえば、鶏、アヒル、七面鳥、ウズラ、ガチョウ、ホロホロチョウ等の家禽が挙げられる。本発明において、家禽は、筋胃増大により飼料効率を改善させる効果が大きい肉用、採卵用の家禽が好ましく、鶏が特に好ましい。 In the present invention, poultry refers to livestock belonging to birds, and is not particularly limited as long as it has a muscular stomach, and examples thereof include poultry such as chickens, ducks, turkeys, quails, geese, and guinea fowl. In the present invention, the poultry is preferably poultry for meat and egg collection, which has a large effect of improving feed efficiency by increasing muscle stomach, and chicken is particularly preferable.
本発明の家禽の筋胃増大用飼料において、前記ホヤ殻の含有量は、前記飼料の質量に基づいて１～１０質量％であることが好ましい。これにより、十分な筋胃質量の増大効果が得られ、且つ家禽に悪影響を与えない飼料とすることができる。前記ホヤ殻の含有量は、前記飼料の質量に基づいて、２～７質量％であることがさらに好ましく、３～５質量％であることが特に好ましい。また、給与期間・給与方法は、特に限定されないが、２～４週間給与すれば筋胃増大効果が期待できる。 In the poultry muscle stomach augmentation feed of the present invention, the content of the sea squirt shell is preferably 1 to 10% by mass based on the mass of the feed. As a result, a sufficient effect of increasing the muscle-stomach mass can be obtained, and a feed that does not adversely affect poultry can be obtained. The content of the sea squirt shell is more preferably 2 to 7% by mass and particularly preferably 3 to 5% by mass based on the mass of the feed. The salary period and salary method are not particularly limited, but a muscle-stomach-increasing effect can be expected by feeding for 2 to 4 weeks.
本発明の家禽用飼料において、上記ホヤ殻以外の原料は、本発明の効果を阻害しない限り、特に制限はなく、公知の家禽用飼料に用いられる飼料原料を適宜用いることができる。例えばトウモロコシ、マイロ、キビ、小麦、大麦、ライ麦等の穀類、大豆粕、コーングルテンミール、ごま油粕、コーンジャームミール、なたね粕等の植物性油粕類、フスマ、米ぬか、麦ヌカ、コーングルテンフィード等の糟糠類、魚粉等の動物性飼料、ヤシ油、ラード等の動植物性油脂、炭酸カルシウム、リン酸カルシウム、酸化マグネシウム、硫酸マグネシウム、硫酸鉄、ペプチド鉄、炭酸亜鉛、ペプチド亜鉛等のミネラル類、その他、無水ケイ酸、コーンスティープリカー、パン酵母、ビタミン類等が挙げられる。ホヤ殻、及びこれらの原料を常法により混合し、本発明の家禽用飼料を調製することができる。 In the poultry feed of the present invention, the raw materials other than the squirt shell are not particularly limited as long as the effects of the present invention are not impaired, and known feed raw materials used for poultry feed can be appropriately used. For example, grains such as corn, mylo, millet, wheat, barley, and rye, vegetable oil lees such as soybean meal, corn gluten meal, sesame oil lees, corn germ meal, and rapeseed meal, fusuma, rice bran, wheat nuka, and corn gluten feed. Corn gluten, animal feed such as fish flour, animal and vegetable fats and oils such as palm oil and lard, calcium carbonate, calcium phosphate, magnesium oxide, magnesium sulfate, iron sulfate, peptide iron, zinc carbonate, minerals such as peptide zinc, etc. , Anhydrous silicic acid, corn steep liquor, bread yeast, vitamins and the like. The ascidian shell and these raw materials can be mixed by a conventional method to prepare the poultry feed of the present invention.
［家禽の筋胃増大用混合飼料］
本発明の家禽の筋胃増大用混合飼料は、本発明の家禽の筋胃増大用飼料を調製するためのホヤ殻を有効成分とする家禽の筋胃増大用混合飼料である。本発明の家禽の筋胃増大用混合飼料を用いることで、養鶏業者等の家禽飼育業者が、既に他の複数の飼料原料が一定の割合で混合された市販の家禽用配合飼料をベース飼料として、本発明の家禽の筋胃増大用飼料を混合することで容易に調製することができる。また、飼料メーカーが、家禽の筋胃増大用飼料の製造時に、飼料原料の１種として本発明の家禽の筋胃増大用混合飼料を混合して本発明の家禽の筋胃増大用飼料を製造してもよい。本発明の家禽の筋胃増大用混合飼料におけるホヤ殻の含有量は、特に制限はなく、ベース飼料に対して、本発明の家禽の筋胃増大用混合飼料を混合する割合に応じて、適宜調整することができる。例えば、ベース飼料１ｋｇ中に、本発明の家禽の筋胃増大用飼料を１００ｇ添加する設定とした場合、ホヤ殻の含有量は、家禽の筋胃増大用混合飼料の質量に基づいて１０～１００質量％とすることが好ましい。なお、家禽の筋胃増大用混合飼料におけるホヤ殻以外の材料は、本発明の効果を阻害しない限り、特に制限はなく、公知の家禽用混合飼料に用いられる賦形物質等を適宜用いることができる。例えば、コーンスターチ、馬鈴薯澱粉、デキストリン、ぶどう糖、麦芽糖、乳糖、イソマルトオリゴ糖、結晶セルロース、小麦粉、大豆粉、無水ケイ酸等が挙げられる。
[Mixed feed for increasing muscle stomach of poultry]
The mixed feed for increasing muscle stomach of poultry of the present invention is a mixed feed for increasing muscle stomach of poultry containing scallop as an active ingredient for preparing the feed for increasing muscle stomach of poultry of the present invention. By using the mixed feed for increasing the muscle stomach of poultry of the present invention, a poultry breeder such as a poultry farmer can use a commercially available mixed feed for poultry in which a plurality of other feed raw materials are already mixed in a fixed ratio as a base feed. , The feed for increasing muscle stomach of poultry of the present invention can be easily prepared by mixing. Further, when the feed maker manufactures the poultry muscle-stomach-enhancing feed, the poultry muscle-stomach-enhancing mixed feed of the present invention is mixed as one of the feed raw materials to produce the poultry muscle-stomach-enhancing feed of the present invention. You may. The content of scallops in the poultry muscle-stomach-enhancing mixed feed of the present invention is not particularly limited, and is appropriately mixed according to the ratio of the poultry muscle-stomach-enhancing mixed feed of the present invention to the base feed. Can be adjusted. For example, when 100 g of the poultry muscle stomach augmentation feed of the present invention is set to be added to 1 kg of the base feed, the content of the scallop shell is 10 to 100 based on the mass of the poultry muscle stomach augmentation mixed feed. It is preferably mass%. The material other than the ascidian shell in the mixed feed for increasing muscle stomach of poultry is not particularly limited as long as the effect of the present invention is not impaired, and a known shaping substance or the like used in the mixed feed for poultry may be appropriately used. can. Examples thereof include cornstarch, potato starch, dextrin, glucose, maltose, lactose, isomaltooligosaccharide, crystalline cellulose, wheat flour, soybean flour, silicic acid anhydride and the like.
本発明は、ホヤ殻を家禽に給与することを特徴とする家禽の筋胃を増大させる方法にもある。本発明の方法は、本発明の家禽の筋胃増大用飼料を家禽に給与することによって実施することが好ましい。 The present invention is also a method for increasing the muscle stomach of poultry, which comprises feeding the poultry with sea squirt shells. The method of the present invention is preferably carried out by feeding the poultry with the poultry muscle stomach augmentation feed of the present invention.
以下、本発明を実施例により詳細に説明する。
１．採卵鶏へのホヤ殻の給与試験
家禽として採卵鶏を選択し、飼料は、穀類として玄米、大豆粕を主体に、粗蛋白（ＣＰ）、代謝エネルギー（ＭＥ）をそろえて設計した。区分別配合割合は表１の通りである。すなわち、動物性飼料をホヤ殻に限定し、ホヤ殻の含有量が飼料中０％の比較例１に対して、４％及び１０％の実施例１及び２の飼料を調製し、以下の試験条件で給与試験を行なった。なお、その他の原料には、カルシウム化合物のほか、微量成分としてビタミン類、ミネラル類、アミノ酸組成を揃えるためのメチオニンなどが含まれる。
Hereinafter, the present invention will be described in detail with reference to Examples.
1. 1. Feeding test of scallops to hens We selected hens as poultry and designed the feed mainly for brown rice and soybean meal as grains, with crude protein (CP) and metabolic energy (ME). Table 1 shows the mixing ratios by category. That is, the animal feed was limited to sea squirt shells, and the feeds of Examples 1 and 2 having a squirt shell content of 0% in the feed were prepared at 4% and 10% with respect to Comparative Example 1, and the following tests were conducted. A salary test was conducted under the conditions. In addition to calcium compounds, other raw materials include vitamins, minerals, and methionine for aligning amino acid compositions as trace components.
（給与試験条件）
・試験期間：４週間
・供試鶏：ジュリアライト
・日齢：給与開始時２５０日齢程度
・羽数：比較例１及び実施例１は１０羽／１試験区３反復、実施例２は１０羽／１試験区２反復
・給与方法：１０５ｇ／日／羽の制限給与
（測定・評価項目）
・産卵率：試験期間中の各試験区のヘンデイ産卵率（％）を求めた。
・卵重：試験期間中の各試験区の正常卵の卵重を測定し、平均卵重を算出した。
・日卵量：産卵率（％）×平均卵重（ｇ）で算出した。
・要求率：試験期間中の各試験区の総給与量（ｋｇ）／総卵重（ｋｇ）を算出した。
・日増体：１週毎に各試験区の全羽の体重を測定し平均値を算出し、前週との体重差を日数で除して、１日１羽当たりの体重の増減を算出した。
なお、統計解析は分散分析にて有意水準５％で行なった。
(Salary test conditions)
-Test period: 4 weeks-Test chicken: Julialite-Day age: About 250 days old at the start of feeding-Number of birds: 10 birds in Comparative Example 1 and Example 1/3 repetitions in 1 test group, 10 in Example 2 Feather / 1 Test group 2 Repeat / Salary method: 105g / day / Feather limit salary (measurement / evaluation items)
-Egg laying rate: The Hendy egg laying rate (%) of each test group during the test period was calculated.
-Egg weight: The egg weight of normal eggs in each test group during the test period was measured, and the average egg weight was calculated.
-Daily egg volume: Calculated by egg production rate (%) x average egg weight (g).
-Requirement rate: The total salary (kg) / total egg weight (kg) of each test group during the test period was calculated.
・ Daily increase: Weighed all the feathers in each test group every week, calculated the average value, and divided the difference in body weight from the previous week by the number of days to calculate the increase or decrease in body weight per bird per day. ..
Statistical analysis was performed by analysis of variance at a significance level of 5%.
表２は、比較例１、実施例１及び実施例２の採卵鶏の産卵成績等をまとめたものである。ホヤ殻４％を含有する飼料を給与した実施例１の採卵鶏では、比較例１の採卵鶏と比較して、有意差（有意水準５％）は認められなかったものの、日卵量が良好で、要求率も良化する傾向があり、日増体の低下も抑制される傾向があった。ホヤ殻１０％を含有する飼料を給与した実施例２では、産卵成績が良化した。
Table 2 summarizes the egg-laying results of the hens of Comparative Example 1, Example 1 and Example 2. In the egg-collecting chickens of Example 1 fed with the feed containing 4% of sea squirt shells, no significant difference (
２．筋胃質量の評価
比較例１、実施例１の試験条件で４週間飼育後、生体重を１６３０ｇ程度にそろえた３羽ずつを抽出し筋胃質量を測定した。さらに、筋胃質量を測定した筋胃の内容物を風乾し、ＪＩＳ標準篩を用いて、筋胃内容物の粒度分布を測定した。また、筋胃質量を測定した採卵鶏の４週間飼育時の糞を風乾し、ＪＩＳ標準篩を用いて、糞の粒度分布を測定した。
2. 2. Evaluation of muscle-stomach mass After breeding for 4 weeks under the test conditions of Comparative Example 1 and Example 1, 3 birds each having a body weight of about 1630 g were extracted and the muscle-stomach mass was measured. Further, the contents of the muscle stomach from which the muscle stomach mass was measured were air-dried, and the particle size distribution of the muscle stomach contents was measured using a JIS standard sieve. In addition, the feces of the egg-collecting chickens whose muscle stomach mass was measured after breeding for 4 weeks were air-dried, and the particle size distribution of the feces was measured using a JIS standard sieve.
比較例１及び実施例１の筋胃質量（平均値）の結果を図１に、筋胃内容物の粒度の結果を図２、糞の粒度の結果を図３に示した。図１に示す通り、ホヤ殻４％を含有する飼料を給与した実施例１の採卵鶏の筋胃質量は、比較例１の採卵鶏の筋胃質量に対して有意に増大し（有意水準５％）、比較例１の重量に比べて１６６％となった。また、図２に示す通り、実施例１の採卵鶏では、比較例１の採卵鶏と比較して、粒度が２．３８ｍｍ超の筋胃内容物の比率が低下していた。さらに、図３に示す通り、実施例１の採卵鶏では、比較例１の採卵鶏と比較して、粒度が０．５ｍｍ超の糞の比率が有意に低下していた（有意水準５％）。したがって、ホヤ殻を含有する飼料を給与することによって、採卵鶏の筋胃質量が増大し、それに伴って、筋胃の飼料のすり潰し効果が向上したことから、消化率が向上されることが示唆された。
The results of the muscle stomach mass (mean value) of Comparative Example 1 and Example 1 are shown in FIG. 1, the result of the particle size of the muscle stomach contents is shown in FIG. 2, and the result of the particle size of feces is shown in FIG. As shown in FIG. 1, the muscle stomach mass of the hens of Example 1 fed with a feed containing 4% of scallops was significantly increased with respect to the muscle stomach mass of the hens of Comparative Example 1 (significance level 5). %), Which was 166% of the weight of Comparative Example 1. Further, as shown in FIG. 2, in the egg-collecting chicken of Example 1, the ratio of the muscle stomach contents having a particle size of more than 2.38 mm was lower than that of the egg-collecting chicken of Comparative Example 1. Further, as shown in FIG. 3, in the egg-collecting chicken of Example 1, the ratio of feces having a particle size of more than 0.5 mm was significantly lower than that of the egg-collecting chicken of Comparative Example 1 (
以上により、本発明のホヤ殻を有効成分とする家禽の筋胃増大用飼料を、家禽に給与することによって、家禽の筋胃質量を増大させることができ、これにより、家禽の飼料消化率が向上し、飼料効率を改善することができることが示された。 As described above, the poultry's muscle-stomach-enhancing feed containing the scallop of the present invention as an active ingredient can be fed to the poultry to increase the poultry's muscle-stomach mass, whereby the feed digestibility of the poultry can be increased. It has been shown that it can be improved and feed efficiency can be improved.
なお、本発明は上記の実施の形態の構成及び実施例に限定されるものではなく、発明の要旨の範囲内で種々変形が可能である。 The present invention is not limited to the configuration and examples of the above-described embodiment, and various modifications can be made within the scope of the gist of the invention.
本発明により、家禽の筋胃を増大させることができ、これにより、家禽の飼料消化率が向上し、飼料効率を改善することができ、延いては、家禽の生産性を向上することができる。
INDUSTRIAL APPLICABILITY According to the present invention, the muscle stomach of poultry can be increased, whereby the feed digestibility of poultry can be improved, the feed efficiency can be improved, and the productivity of poultry can be improved. ..
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